I have configured Zenoss to monitor a number of CentOS hosts using ping and SNMPv3 authPriv.
This setup is, generally, working. However, there is a least one host in my setup that keeps flapping. In other words, Zenoss periodically logs a warning of "snmp agent down" for the host in question. That error will repeat multiple times before eventually clearing itself. However, there is nothing wrong with the host. And testing it manually from the Zenoss machine works every time (secrets redacted, everything else untouched): Code: [EMAIL PROTECTED] log]# snmpwalk -v 3 -l authPriv -a sha -A <secret1> -x aes -X <secret2> -u monitor champignac sysDesc SNMPv2-MIB::sysDescr.0 = STRING: Linux champignac.smilecontent.dk 2.6.18-92.1.10.el5 #1 SMP Tue Aug 5 07:42:41 EDT 2008 x86_64 The following shows the log from the last time zenperfmon ran: Code: 2008-09-09 14:59:38 INFO zen.zenperfsnmp: total=17 good=0 bad=0 time=0.000041 2008-09-09 14:59:46 ERROR netsnmp: snmp_send: Timeout 2008-09-09 14:59:46 WARNING zen.zenperfsnmp: Failed to collect on ns2.smilecontent.dk (twisted.python.failure.Failure: [Failure instance: Traceback (failure with no frames): pynetsnmp.netsnmp.SnmpError: snmp_send]) 2008-09-09 14:59:46 INFO zen.zenperfsnmp: total=17 good=0 bad=1 time=8.101128 2008-09-09 14:59:46 WARNING zen.zenperfsnmp: snmp agent down 2008-09-09 14:59:54 ERROR netsnmp: snmp_send: Timeout 2008-09-09 14:59:54 WARNING zen.zenperfsnmp: Failed to collect on clinton.t29.dk (twisted.python.failure.Failure: [Failure instance: Traceback (failure with no frames): pynetsnmp.netsnmp.SnmpError: snmp_send ]) 2008-09-09 14:59:54 INFO zen.zenperfsnmp: total=17 good=0 bad=2 time=16.205008 2008-09-09 14:59:54 WARNING zen.zenperfsnmp: snmp agent down 2008-09-09 14:59:54 INFO zen.zenperfsnmp: total=17 good=1 bad=2 time=16.220194 2008-09-09 14:59:54 INFO zen.zenperfsnmp: total=17 good=2 bad=2 time=16.224871 2008-09-09 14:59:54 INFO zen.zenperfsnmp: total=17 good=3 bad=2 time=16.229494 2008-09-09 14:59:55 INFO zen.zenperfsnmp: total=17 good=4 bad=2 time=16.429857 2008-09-09 14:59:55 INFO zen.zenperfsnmp: total=17 good=5 bad=2 time=16.467023 2008-09-09 14:59:55 INFO zen.zenperfsnmp: total=17 good=6 bad=2 time=16.503293 2008-09-09 14:59:55 INFO zen.zenperfsnmp: total=17 good=7 bad=2 time=16.538413 2008-09-09 15:00:00 INFO zen.zenperfsnmp: total=17 good=7 bad=3 time=22.207788 2008-09-09 15:00:00 WARNING zen.zenperfsnmp: snmp agent down 2008-09-09 15:00:00 INFO zen.zenperfsnmp: total=17 good=7 bad=4 time=22.208701 2008-09-09 15:00:00 WARNING zen.zenperfsnmp: snmp agent down 2008-09-09 15:00:00 INFO zen.zenperfsnmp: total=17 good=7 bad=5 time=22.209524 2008-09-09 15:00:00 WARNING zen.zenperfsnmp: snmp agent down 2008-09-09 15:00:00 INFO zen.zenperfsnmp: total=17 good=7 bad=6 time=22.210346 2008-09-09 15:00:00 WARNING zen.zenperfsnmp: snmp agent down 2008-09-09 15:00:00 INFO zen.zenperfsnmp: total=17 good=7 bad=7 time=22.211163 2008-09-09 15:00:00 WARNING zen.zenperfsnmp: snmp agent down 2008-09-09 15:00:00 INFO zen.zenperfsnmp: total=17 good=7 bad=8 time=22.211988 2008-09-09 15:00:00 WARNING zen.zenperfsnmp: snmp agent down 2008-09-09 15:00:00 INFO zen.zenperfsnmp: total=17 good=7 bad=9 time=22.212797 2008-09-09 15:00:00 WARNING zen.zenperfsnmp: snmp agent down 2008-09-09 15:00:02 INFO zen.zenperfsnmp: sent 914 OID requests 2008-09-09 15:00:02 INFO zen.zenperfsnmp: collected 7 of 17 devices in 24.21 2008-09-09 15:00:02 INFO zen.zenperfsnmp: total=17 good=7 bad=10 time=24.208315 2008-09-09 15:00:02 WARNING zen.zenperfsnmp: snmp agent down Please don't mistake the two hosts that are not yet configured to reply to SNMPv3 for the host that is having the problem (champignac.smilecontent.dk). I'm at a loss as to what causes this problem. Is there any more pertinent information I can provide? -------------------- m2f -------------------- Read this topic online here: http://community.zenoss.com/forums/viewtopic.php?p=24834#24834 -------------------- m2f -------------------- _______________________________________________ zenoss-users mailing list [email protected] http://lists.zenoss.org/mailman/listinfo/zenoss-users
